宇宙对撞机上的大统一与化学势

arXiv - PHYS - High Energy Physics - Phenomenology Pub Date : 2024-09-11 DOI:arxiv-2409.07524

Arushi Bodas, Edward Broadberry, Raman Sundrum

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引用次数: 0

摘要

我们为宇宙学对撞机物理学中的自旋-1粒子引入了一种树级化学势机制，使它们能够在质量超过暴胀哈勃尺度的初始非高斯中被探测到。我们将这一机制应用于轨道大统一和标准模型规玻色子的大质量统一伙伴。我们的机制要求至少有一对大质量矢量场是标准模型的单子，而这一条件在经典的 "三统一 "方案中得到了满足。假设超对称性解决了规衡层次问题，规衡耦合运行就会指向~ 10^{15}$ GeV的统一伙伴。我们表明，在高尺度暴胀中，化学势的增强会导致未来宇宙学测量中出现可观测到的三统一伙伴的强信号。

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Grand Unification at the Cosmological Collider with Chemical Potential

We introduce a tree-level chemical potential mechanism for spin-1 particles within cosmological collider physics, allowing them to be detected in primordial non-Gaussianities for masses above the inflationary Hubble scale. We apply this mechanism to orbifold grand unification and the massive unification partners of the standard model gauge bosons. Our mechanism requires at least a pair of massive vector fields which are singlets of the standard model, a condition which is satisfied in the classic "trinification" scenario. Assuming that the gauge hierarchy problem is solved by supersymmetry, gauge coupling running points to unification partners at ~ $10^{15}$ GeV. We show that, within high-scale inflation, chemical potential enhancement can lead to observably strong signals for trinification partners in future cosmological surveys.

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arXiv - PHYS - High Energy Physics - Phenomenology

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